제출 #240833

#제출 시각아이디문제언어결과실행 시간메모리
240833bananamathsBaloni (COCI15_baloni)C++17
0 / 100
7 ms1408 KiB
#include<bits/stdc++.h>
using namespace std;
int main()
{ 
   ifstream in("input.txt");
   ofstream out("output.txt");
   int N;
   in>>N;
   int V[N];
   for(int i = 0 ;i<N;i++)
   {
       in>>V[i];
   }
   bool H[1000002];
   int conta = 0;
   for(int i = 1;i<=1000001;i++)
   {
      H[i] = false;
   }
   for(int i = 0;i<N;i++)
   {
        int a = V[i];
	if(H[a+1])
	{
           H[a+1] = false;
	   H[a] = true;
	}
	else
	{
            conta++;
	    H[a] = true;
	}
   }
   out<<conta;


}


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